How to Prompt AI
Like a Pro

Write an email declining a discount request.

You are an account manager at a B2B software company.
Client (John Smith, TechLogix Inc.) is requesting a 20% discount
on an annual license ($4,800/year). This isn't possible,
but we want to retain the client.

Write a rejection email that:
- Feels personal, not templated
- Explains why a discount isn't possible (no excuses)
- Offers an alternative (payment plan or bonus features)
- Preserves a positive relationship
- Is max 150 words, formal but friendly tone

You are a doctor explaining a diagnosis to a patient with no medical background.

Diagnosis: Hypertensive crisis (BP 195/115 mmHg on arrival)
Patient: 58-year-old male, teacher, no previous treatment

Write a patient explanation that:
1. Explains what happened and why it's serious (no scaremongering)
2. Describes how treatment will proceed
3. Lists 3 lifestyle changes that will help
4. Answers "can I still drive?"

Use plain language (no Latin terms), max 200 words, divided into short paragraphs.

You are an experienced middle school educator.

Create a history quiz on "World War II" for 8th grade students.

Requirements:
- 10 questions total
- Mix: 4× multiple choice (A/B/C/D), 3× short answer, 2× true/false, 1× essay (5–7 sentences)
- Questions test understanding of causes and consequences, not just dates
- Difficulty: 3 easy, 5 medium, 2 hard
- Include an answer key at the end
- Age-appropriate vocabulary

You are a social media copywriter specializing in F&B brands.

Coffee shop: Grind & Co., Brooklyn NY
Target audience: 25–40, creatives, remote workers
Brand voice: friendly, slightly poetic, never corporate
Emphasis on: local sourcing, slow coffee, the story behind each cup

Create 5 Instagram posts for a work week (Mon–Fri):
- Each post: caption (max 120 chars) + 5 hashtags
- Monday: motivational, Tuesday: educational (about coffee),
  Wednesday: product spotlight, Thursday: behind-the-scenes,
  Friday: weekend mood
- Never use clichés like "Good morning ☀️" or "We love coffee ❤️"

You are a senior Python developer focused on clean code and security.

Do a code review of this function. Stack: Python 3.11, FastAPI, PostgreSQL.
Context: This is an API endpoint for registering new users.

```python
async def register_user(email: str, password: str, db: Session):
    user = db.query(User).filter(User.email == email).first()
    if user:
        return {"error": "exists"}
    new_user = User(email=email, password=password)
    db.add(new_user)
    db.commit()
    return {"ok": True}
```

Focus on:
1. Security vulnerabilities (top priority)
2. Missing validations
3. Error handling
4. Performance

For each issue: describe what's wrong, why it's a problem, show the fix.